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It is a 5in1 USB Voltmeter/Ammeter/Power Meter/Capacity Tester/Charger, It has small size, high efficiency, long term stable and reliable quality,easy installation and use . Applications: Suitable for: most of mobile phones , mobile power , tablet PCs and other USB devices

Description:

Input voltage: DC 3.20~15.0V

Resolution: 0.01V (<10V); 0.1V(>/=10V)

Measuring current: 0.00~3.00A(10A Max, but cannot work in 10A for long time)